The work is completely mounted on support and framed. The frame is made of wood, the support is on fiberboard carton and the front is protected entirely from a sheet of colorless translucent methacrylate antiglare. International shipping costs are variable. The composition combines images inspired by cartographic plans organized into an hourglass. The continents are analogies vessel containing the sand on clocks, and sand is the analogy of migratory population flows between continents.